From 3006aa54280c2ed00a13f023bc3ea7ccd5a4dae7 Mon Sep 17 00:00:00 2001
From: Alisue <lambdalisue@gmail.com>
Date: Mon, 6 Jan 2025 20:17:39 +0900
Subject: [PATCH] Automatically restore `winfixwidth` when leaving the buffer

Close #512
---
 autoload/fern/internal/drawer/auto_winfixwidth.vim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/autoload/fern/internal/drawer/auto_winfixwidth.vim b/autoload/fern/internal/drawer/auto_winfixwidth.vim
index 06a26f09..fb53fafa 100644
--- a/autoload/fern/internal/drawer/auto_winfixwidth.vim
+++ b/autoload/fern/internal/drawer/auto_winfixwidth.vim
@@ -6,9 +6,14 @@ function! fern#internal#drawer#auto_winfixwidth#init() abort
   augroup fern_internal_drawer_auto_winfixwidth_init
     autocmd! * <buffer>
     autocmd BufEnter <buffer> call s:set_winfixwidth()
+    autocmd BufWinLeave <buffer> call s:restore_winfixwidth()
   augroup END
 endfunction
 
 function! s:set_winfixwidth() abort
   let &l:winfixwidth = winnr('$') isnot# 1
 endfunction
+
+function! s:restore_winfixwidth() abort
+  let &l:winfixwidth = 0
+endfunction